Insulator for piano casters



FIG. 1 is a front view of the insulator for piano casters;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view of the front side, the top side, and the right side thereof; and,

FIG. 8 is a perspective view of the back side, the bottom side, and the left side thereof. 

CLAIM The ornamental design for an insulator for piano casters, as shown and described. 